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TMP37FT9-REEL

更新时间: 2024-11-05 12:01:59
品牌 Logo 应用领域
亚德诺 - ADI 传感器温度传感器
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20页 341K
描述
Low Voltage Temperature Sensors

TMP37FT9-REEL 数据手册

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Low Voltage Temperature Sensors  
TMP35/TMP36/TMP37  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
+V (2.7V TO 5.5V)  
S
Low voltage operation (2.7 V to 5.5 V)  
Calibrated directly in °C  
10 mV/°C scale factor (20 mV/°C on TMP37)  
2°C accuracy over temperature (typ)  
0.5°C linearity (typ)  
TMP35/  
TMP36/  
TMP37  
SHUTDOWN  
V
OUT  
Stable with large capacitive loads  
Specified −40°C to +125°C, operation to +150°C  
Less than 50 μA quiescent current  
Shutdown current 0.5 μA max  
Low self-heating  
Figure 1.  
PIN CONFIGURATIONS  
Qualified for automotive applications  
V
GND  
1
2
3
5
4
OUT  
APPLICATIONS  
TOP VIEW  
(Not to Scale)  
+V  
S
Environmental control systems  
Thermal protection  
NC  
SHUTDOWN  
Industrial process control  
Fire alarms  
Power system monitors  
CPU thermal management  
NC = NO CONNECT  
Figure 2. RJ-5 (SOT-23)  
V
1
2
3
4
8
7
6
5
+V  
S
OUT  
NC  
GENERAL DESCRIPTION  
NC  
TOP VIEW  
The TMP35/TMP36/TMP37 are low voltage, precision centi-  
grade temperature sensors. They provide a voltage output that  
is linearly proportional to the Celsius (centigrade) temperature.  
The TMP35/ TMP36/TMP37 do not require any external  
calibration to provide typical accuracies of ±±1C at +251C  
and ±21C over the −401C to +±251C temperature range.  
(Not to Scale)  
NC  
NC  
SHUTDOWN  
GND  
NC = NO CONNECT  
Figure 3. R-8 (SOIC_N)  
2
1
3
The low output impedance of the TMP35/TMP36/TMP37 and  
its linear output and precise calibration simplify interfacing to  
temperature control circuitry and ADCs. All three devices are  
intended for single-supply operation from 2.7 V to 5.5 V maxi-  
mum. The supply current runs well below 50 μA, providing  
very low self-heating—less than 0.±1C in still air. In addition, a  
shutdown function is provided to cut the supply current to less  
than 0.5 μA.  
BOTTOM VIEW  
(Not to Scale)  
PIN 1, +V ; PIN 2, V  
; PIN 3, GND  
OUT  
S
Figure 4. T-3 (TO-92)  
The TMP35 is functionally compatible with the LM35/LM45  
and provides a 250 mV output at 251C. The TMP35 reads  
temperatures from ±01C to ±251C. The TMP36 is specified from  
−401C to +±251C, provides a 750 mV output at 251C, and  
operates to ±251C from a single 2.7 V supply. The TMP36 is  
functionally compatible with the LM50. Both the TMP35 and  
TMP36 have an output scale factor of ±0 mV/1C.  
The TMP37 is intended for applications over the range of 51C  
to ±001C and provides an output scale factor of 20 mV/1C. The  
TMP37 provides a 500 mV output at 251C. Operation extends  
to ±501C with reduced accuracy for all devices when operating  
from a 5 V supply.  
The TMP35/TMP36/TMP37 are available in low cost 3-lead  
TO-92, 8-lead SOIC_N, and 5-lead SOT-23 surface-mount  
packages.  
Rev. F  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©1996–2010 Analog Devices, Inc. All rights reserved.  
 

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